diff --git a/Models/Dtos/CreateTenantDto.cs b/Models/Dtos/CreateTenantDto.cs
new file mode 100644
index 0000000..610eb84
--- /dev/null
+++ b/Models/Dtos/CreateTenantDto.cs
@@ -0,0 +1,29 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Fengling.Console.Models.Dtos;
+
+public class CreateTenantDto
+{
+    [Required]
+    public string TenantId { get; set; } = string.Empty;
+
+    [Required]
+    public string Name { get; set; } = string.Empty;
+
+    [Required]
+    public string ContactName { get; set; } = string.Empty;
+
+    [Required]
+    [EmailAddress]
+    public string ContactEmail { get; set; } = string.Empty;
+
+    public string? ContactPhone { get; set; }
+
+    public int? MaxUsers { get; set; }
+
+    public string? Description { get; set; }
+
+    public string Status { get; set; } = "active";
+
+    public DateTime? ExpiresAt { get; set; }
+}
diff --git a/Models/Dtos/TenantDto.cs b/Models/Dtos/TenantDto.cs
new file mode 100644
index 0000000..2647e93
--- /dev/null
+++ b/Models/Dtos/TenantDto.cs
@@ -0,0 +1,17 @@
+namespace Fengling.Console.Models.Dtos;
+
+public class TenantDto
+{
+    public long Id { get; set; }
+    public string TenantId { get; set; } = "";
+    public string Name { get; set; } = "";
+    public string ContactName { get; set; } = "";
+    public string ContactEmail { get; set; } = "";
+    public string? ContactPhone { get; set; }
+    public int? MaxUsers { get; set; }
+    public int UserCount { get; set; }
+    public string Status { get; set; } = "active";
+    public DateTime? ExpiresAt { get; set; }
+    public string? Description { get; set; }
+    public DateTime CreatedAt { get; set; }
+}
diff --git a/Models/Dtos/TenantSettingsDto.cs b/Models/Dtos/TenantSettingsDto.cs
new file mode 100644
index 0000000..a8ab412
--- /dev/null
+++ b/Models/Dtos/TenantSettingsDto.cs
@@ -0,0 +1,11 @@
+namespace Fengling.Console.Models.Dtos;
+
+public class TenantSettingsDto
+{
+    public bool AllowRegistration { get; set; }
+    public string AllowedEmailDomains { get; set; } = string.Empty;
+    public long? DefaultRoleId { get; set; }
+    public List<string> PasswordPolicy { get; set; } = new();
+    public int MinPasswordLength { get; set; } = 8;
+    public int SessionTimeout { get; set; } = 120;
+}
diff --git a/Models/Dtos/UpdateTenantDto.cs b/Models/Dtos/UpdateTenantDto.cs
new file mode 100644
index 0000000..6c806e6
--- /dev/null
+++ b/Models/Dtos/UpdateTenantDto.cs
@@ -0,0 +1,26 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Fengling.Console.Models.Dtos;
+
+public class UpdateTenantDto
+{
+    [Required]
+    public string Name { get; set; } = string.Empty;
+
+    [Required]
+    public string ContactName { get; set; } = string.Empty;
+
+    [Required]
+    [EmailAddress]
+    public string ContactEmail { get; set; } = string.Empty;
+
+    public string? ContactPhone { get; set; }
+
+    public int? MaxUsers { get; set; }
+
+    public string? Description { get; set; }
+
+    public string Status { get; set; } = "active";
+
+    public DateTime? ExpiresAt { get; set; }
+}